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SAE-AISI 9260 Steel vs. SAE-AISI 1049 Steel

Both SAE-AISI 9260 steel and SAE-AISI 1049 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9260 steel and the bottom bar is SAE-AISI 1049 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
11 to 17
Fatigue Strength, MPa 260
250 to 400
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 420
420 to 450
Tensile Strength: Ultimate (UTS), MPa 660
680 to 750
Tensile Strength: Yield (Proof), MPa 380
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 45
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
75 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 380
370 to 1090
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
24 to 27
Strength to Weight: Bending, points 22
22 to 23
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 20
22 to 24

Alloy Composition

Carbon (C), % 0.56 to 0.64
0.46 to 0.53
Iron (Fe), % 96.1 to 96.9
98.5 to 98.9
Manganese (Mn), % 0.75 to 1.0
0.6 to 0.9
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 1.8 to 2.2
0
Sulfur (S), % 0 to 0.040
0 to 0.050